<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script>
      window.__unocss = {
        shortcuts: {
          // shortcuts to multiple utilities
          btn: 'py-2 px-4 font-semibold rounded-lg shadow-md',
          'btn-green': 'text-white bg-green-500 hover:bg-green-700',
          // single utility alias
          red: 'text-red-100',
        },
      };
    </script>
    <script src="https://cdn.jsdelivr.net/npm/@unocss/runtime"></script>
    <!-- <style>
    .flex {
      display: flex;
    }
    .items-center {
      align-items: center;
    }
    .justify-center {
      justify-content: center;
    }
    .bg-sky {
      background-color: skyblue;
    }
    .w-100 {
      width: 100px;
    }
    .h-100 {
      height: 100px;
    }
    .h-100vh {
      height: 100vh;
    }
    .bodyClass  {
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100vh;
    }
  </style> -->
  </head>
  <body class="flex items-center justify-center h-100vh">
    <!-- <body class="bodyClass"> -->
    <div class="w-100 h-100 bg-sky">
      <h3 class="hover:text-[30px]">hello world</h3>
      <button class="btn">1211</button>
    </div>
  </body>
</html>
